- bd_set_speed_threshold(&ballboard.roller.bd, 150);
- bd_set_current_thresholds(&ballboard.roller.bd, 500, 8000, 1000000, 200);
+#define ROLLER_SPEED_THRES (ROLLER_SPEED * 0.75)
+ bd_set_speed_threshold(&ballboard.roller.bd, ROLLER_SPEED_THRES);
+ bd_set_current_thresholds(&ballboard.roller.bd, 500, 1500, 1000000, 20);